
package org.upt.dcda.presentation;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class UserLogoutServlet
 */
@WebServlet("/UserLogoutServlet")
public class UserLogoutServlet extends HttpServlet
{

	private static final long	serialVersionUID	= 1L;

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public UserLogoutServlet()
	{
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
	{
		try
		{
			request.getSession().removeAttribute(SessionAttributes.USER);
		}
		catch (Throwable t)
		{
			getServletContext().log("Caught : " + t, t);
		}
		finally
		{
			response.sendRedirect(request.getContextPath() + "/index.jsp");
		}
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException,
			IOException
	{
		// TODO Auto-generated method stub
	}

}
